Q: The enthalpy changes for the reaction CO2(g)+3H2(g)= CH3OH(g)+ H2O(g) exceeds - 52kJ/mol True or…
A:
Q: Given the atomic radius of helium, 0.32 A, and knowing that a sphere has a volume of 4³/3, calculate…
A:
Q: The dissolved solute will settle out of a solution over time. T or F When solid sucrose (…
A: STATEMENT-1=> As solute are present in solution and they have brownian motion due to collisions…
Q: V7
A:
Q: Base catalysts speed up the nucleophilic reactions of carbonyl compounds. How?
A: given nucleophilic reactions of carbonyl compounds in base catalysts
Q: For each chemical name below label it as an element (E), molecular (M), or ionic (1) and then write…
A: we have to write the correct formula of the given species and identify if it is element, ionic or…
Q: A magnesium bar with a mass of 6.6 kg is attached to a buried iron pipe to serve as a sacrificial…
A:
Q: A 1.8M HCl solution was standardized against 1.4g sodium carbonate Na2CO3 (MW = 106g/mol) . The…
A: Balanced reaction equation can be written based on the analyte and titrant.
Q: A solution has a pH of 10.80 at 25 °C. What is the hydroxide-ion concentration at 25 °C?
A: pH is defined as the negative logarithm of hydrogen ion, H+ concentration of base ten .The…
Q: PH 6. If 1.0 mL of 0.010 M NaOH is mixed with enough water to make the total volume 10.0 mL, what is…
A:
Q: are not wolls al szabongizes SITTA 2. In determining the density (d) of a sample, the measured…
A: Significant figures: The way or a form of expressing a large number in a simple form to make easy…
Q: Identify the type of each reaction in the copper cycle. Cu(NO3)2 (aq) + 2NaOH(aq) →→→ Cu(OH)2 (s) +…
A: Different type of chemical reaction: a) Precipitation reaction: In precipitation reaction an…
Q: 2. 3. 4. Ph. OTBS + Ph + of CN 1. Ac₂0 2. NaOH CN 1. n-BuLi && 2. PPh3 OTf Me NaH Me PÅH Ph dioxane,…
A:
Q: How many grams of KNO3 (101.1 g/mol) must be dissolved in 434.1 mL of water in order to create a…
A: In this question a solution of KNO3 which has a concentration of ions equal to 1.61 m. We have to…
Q: what is the SA of a liquid sample of 10³ m³ containing 10.6 Kg of ³2p? ty=14.3 d, (0.285 ci/m³)
A:
Q: Bromine-82 has a half life of 35.7 hours. How many milligrams of Br-82 will remain if 2.30g of Br-82…
A: This question is related to radioactivity. Bromine has two isotopes Br-79 and Br-82. Out of these…
Q: If all of the components have a reasonably similar size and molecular weight, which of the suspected…
A:
Q: REACTION TABLE: Write a balanced chemical equation for each of these reactions. Remember to write…
A: Dear student, we are authorised to solve only first three subparts of a question. Please post rest…
Q: which factors will affect boith the position of the equiliberium and the value of the equiliberium…
A: Given :- The given equilbrium reaction is 92 (KJ) + N2(g) + 3H2(g) → 2NH3(g)…
Q: Find the de Broglie wavelength of an electron in the n=3 orbital of a hydrogen atom. Show the…
A: Given, Orbital of a hydrogen atom (n) = 3 De broglie wavelength (λ) = ?
Q: Monochloroacetic acid, HC₂H₂ ClO₂, is a skin irritant that is used in "chemical peels" intended to…
A: Answer: pH is basically represents power of hydrogen ion concentration in solution. Value of pH is…
Q: An instructor gave you direction to construct a model of CH3CH2Br molecule by following the…
A: CH3CH2Br is a organic compound contains one halogen atom. The IUPAC name of the compound is 1-bromo…
Q: QUESTION 3 Indicate which three of the following statements are true about electron configurations…
A: Electronic configuration of an atom depicts how the electrons of its atom are arranged in the…
Q: A patient must drink 4.5oz of a prescribed solution. If only a teaspoon is available, how many…
A: Given data patient must drink 4.5oz find out no of teaspoon
Q: What test will you use to differentiate Alkenes from alkynes? Explain.
A:
Q: For p-toluic and o-toluic, why is their melting point different? (P-Toluic MP: 180 celsius &…
A: P-Toluic MP 180 celsius O-Toluic MP:103-105 celsius
Q: [Review Topics] [References) Use the References to access important values if needed for this…
A: Given - CO(g) + Cl2(g) <-> COCl2(g) ∆H°=-108kJ Kc=77.5 Moles of CoCl2=0.22mol
Q: (S)-2-hydroxypropanoic acid (lactic acid) is produced in the fermentation of milk to make yogurt.…
A: The enantiomers of a compound are assigned the names as R or S, and their names include the…
Q: Crystals have precipitated upon cooling a homogeneous solution of a compound. The crystals were…
A: A solution is the one that contains a solvent and a solute. Solvent is the one present in larger…
Q: The functional group R-COOH is called a carbonyl O aldehyde O hydroxyl O ketone O carboxyl group.
A:
Q: Provide the correct systematic name for the compound shown here. H3C 4- LÓ (R)- | (S)- | (Z)- )|…
A:
Q: Ammonium phosphate NH43PO4 is an important ingredient in many fertilizers. It can be made by…
A: Given, mass of phosphoric acid (H3PO4) reacts = 3.3 g mass of ammonium phosphate [(NH4)3PO4]…
Q: differentiate sigma orbital and pi orbital. make an illustration to support explanation.
A: sigma orbital and pi orbital are defined as.
Q: For the symbol shown below, determine the number of protons (p), neutrons (n), and electrons (e).…
A:
Q: ' Determine the activation energy (kJ) for a reaction using the following information. Report your…
A: To calculate activation energy, we need to use Arrhenius equation.
Q: A 3-component mixture of compounds A, B, and C (5.000 g) was separated by filtration, extraction,…
A:
Q: Complete and balance the following reactions - assume they all go a. sodium arsenate solution plus…
A: Given reaction Complete and balance the following reactions
Q: Where did 142.8 come from? Is that the molar mass of Ba(OH)2?
A: Concentration of BaOH2 solution = 0.0035 MWe have to find out the pH of the solution .
Q: 4.21 x 1023 molecules Cach STARTING AMOUNT 4.21 x 1023 molecules CaCl2 x 72°F Mostly sunny X 6.022 x…
A:
Q: What is the name of the process shown below and how does it work (be specific about what happens to…
A: In this reaction, 2 monosaccharides are joined together to form a disaccharides by a glycosidic bond…
Q: Calculate ΔS for the mixing of 15.0 g of He at 25C and 1.00 atm with 20.0 g of O2 at 25C and 1.00…
A: Since you have asked multiple question, as per our company guidelines we are supposed to answer…
Q: مله ? + ? ملك ? cat. H+ - H2O 2 cat. H+ - HO HO سکن مقطع
A:
Q: STARTING AMOUNT 71°F Sunny X According to the balanced reaction below, calculate the quantity of…
A:
Q: Outline the differences you would predict in the 1 H NMR spectra of MDMA and MDMPA (i.e. predict…
A:
Q: An unknown metal crystallizes in a body-centered cubic unit cell. The edge length of the cell is…
A: In case of body-centered cubic unit cell, the relationship between edge length radius of atom is…
Q: What is the freezing point of a solution made by adding 179.9 g Na2S (78.05 g/mol) to 765.4 kg of…
A:
Q: 1. Determine the molarity of a NaOH solution if 0.8427 g of KHP 15.57 mL of NaOH. are required to…
A: Given, mass of KHP = 0.8427 g Volume of NaOH = 15.57 mL
Q: A 25g of CaCl2 is dissolved in 250ml of water in a coffee-cup calorimeter. The temperature of…
A:
Q: 22. ( Carbonic acid, H₂CO3, is a diprotic acid with Ka₁ = 4.4 * 107 and Ka2 = 4.7 * 10-¹¹. The K₂1…
A: The pKa values of carbonic acid, H2CO3 are: H2CO3(aq) ↔ H+(aq) + HCO3-(aq) ; pKa1 = -log(Ka1) = -…
Q: How many moles of H2O form when 5.5 moles O2 reacts?
A: Number of moles of O2 reacts = 5.5 moles
Step by step
Solved in 2 steps with 2 images
- Determine the point groups of the following molecules. a Fe(CO)5, which has a trigonal bipyramidal structure, b CO32, which has three resonance structures that contribute to its overall shape, c The perfectly staggered conformation of ethane, d The perfectly eclipsed conformer of ethane.Determine the point group of the following molecules. a cis1,2 Dichloroethylene b trans1,2 Dichloroethylene c Toluene, C6H5CH3 d 1,3-Cyclohexadiene.Explain why a molecule with a center of inversion cannot have a dipole moment.
- Identify the symmetry elements present in the following objects. a The Eiffel Tower. You may have to look up a picture of it if you dont remember its shape b Any book ignore the printing. c An octagonal wood block. d A jack from the set of jacks pictured here: Note that some of the points end differently.In your own words, explain why an object that has more symmetry elements is said to have higher symmetry than an object with fewer symmetry elements.Determine if the following species have permanent dipole moments. a Dichloromethane, CH2Cl2 b Chlorobenzene, C6H5Cl c Ammonia, NH3 d Carbon dioxide, CO2.
- Determine the point group of each molecule. Show the different symmetry elements. 10. POClz3- Determine the geometry of the BrCl3 molecule using the VSEPR theory. Write down the symmetry elements of the molecule and find the point group. (Br: VIIA, Cl: VIIA)1. Where are the symmetrical classifcations on the molecules? 2. What is the point group for each one? 3. Chiral: yes or no? SÜCI5 (Br3)- IF5 BrF 3